
User Manual Of ELP AC Servo
83
www.leadshine.com
Error
code
Main Extra
Display:
“
Er 121
”
12
1
Content:
braking error
Cause
Confirmation
Solution
Braking circuit damage
Braking resistor short circuit Change a new braking resistor
Braking IGBT damaged
Repair IGBT
Error
code
Main Extra
Display:
“
Er 150
”
15
0
Content:
encoder line breaked
Cause
Confirmation
Solution
Encoder line disconnected
check wiring if it steady or not
Make encoder wiring steady
Encoder wiring error
Check encoder wiring if it is correct
or not
Reconnect encoder wiring
Encoder damaged
/
replace the motor with a new one
Encoder measuring circuit
damaged
/
replace the driver with a new one
Error
code
Main Extra
Display:
“
Er 151
”
15
1
Content:
encoder data error
Cause
Confirmation
Solution
Encoder data error
Check for interference
Anti-interference treatment
Error
code
Main
Extra
Display:
“
Er 152
”
15
2
Content:
initialized position of encoder error
Cause
Confirmation
Solution
Communication data
abnormal
Check encoder power voltage if it is
DC5V
5% or not; check encoder cable
and shielded line if it is damaged or not;
check encoder cable whether it is
intertwined with other power wire or not
Ensure power voltage of encoder
normally, ensure encoder cable and
shielded line well with FG ground,
ensure encoder cable separated with
other power wire
Encoder damaged
/
replace the motor with a new one
Encoder measuring
circuit damaged
/
replace the driver with a new one
Error
code
Main
Extra
Display:
“
Er 153
”
15
3
Content:
encoder battery under voltage
Cause
Confirmation
Solution
Multi-turn absolute
encoder power off
Check battery
Change a battery
/Check motor
Motor damaged, replace the motor
with a new one
/Clear drive alarm
Clear alarm after changing battery
Error
code
Main
Extra
Display:
“
Er 170
”
17
0
Content:
encoder data error
Cause
Confirmation
Solution
Communication data Check encoder power voltage if it is
Ensure power voltage of encoder